<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>主页</title>
    <style>
        body{
            background: url("img/bg2.jpg") no-repeat center;
        }
        h1{
            text-align: center;
            color:white;
        }
    </style>
</head>
<body>
    <h1 style="font-size:56px;">欢迎你光临系统主页</h1>
</body>
</html>